Warren Buffett’s Berkshire Hathaway Reveals $4 Billion Stake in Major Tech Company — and Shares Are Skyrocketing

The investment gives Berkshire Hathaway an approximately 11.4% stake in the multinational information technology company.

An Ex-Employee Is Behind the Cash App Breach Impacting Over 8 Million Users. Here’s Everything We Know So Far.

According to the company’s SEC filing, the former employee downloaded reports containing U.S. customer data on December 10.

The Ukraine Crisis Hits Close to Home for Silicon Valley, and Tech Execs Aren’t Wasting Time: ‘They’re Thinking Like a Startup, Which Allows Them to Move Faster’

Ukrainian-American venture capitalist and Worklife founder Brianne Kimmel discusses her company’s involvement with relief efforts, including an offer to evacuate thousands of Ukrainian engineers, and how other companies can make the most of their resou…